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\[(-8x-5)-(-7{x}^{3}-5{x}^{2}-8)+(-1-x)\]
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(-8x-5)-(-7x^3-5x^2-8)+(-1-x)
(-8x-5)-(-7x^3-5x^2-8)+(-1-x)
(-8x-5)-(-{7x}^{3}-{5x}^{2}-8)+(-1-x)
1
Remove parentheses.
−
8
x
−
5
+
7
x
3
+
5
x
2
+
8
−
1
−
x
-8x-5+7{x}^{3}+5{x}^{2}+8-1-x
−
8
x
−
5
+
7
x
3
+
5
x
2
+
8
−
1
−
x
2
Collect like terms.
(
−
8
x
−
x
)
+
(
−
5
+
8
−
1
)
+
7
x
3
+
5
x
2
(-8x-x)+(-5+8-1)+7{x}^{3}+5{x}^{2}
(
−
8
x
−
x
)
+
(
−
5
+
8
−
1
)
+
7
x
3
+
5
x
2
3
Simplify.
−
9
x
+
2
+
7
x
3
+
5
x
2
-9x+2+7{x}^{3}+5{x}^{2}
−
9
x
+
2
+
7
x
3
+
5
x
2
Done
-9*x+2+7*x^3+5*x^2
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